Specifications:

• Wireless Type: Bluetooth
• Active Noise-Cancellation: Yes
• Battery Capacity[mAh]: 50mAh
• Brand Name: congdi
• Category: Earphones & Headphones
• Charging Method: cable
• Communication: WireLess
• Control Button: Yes
• Frequency Response Range: 20 - 22000
• Hign-concerned Chemical: None
• Impedance Range: up to 32 Ω
• Is wireless: Yes
• Material: Plastic
• Origin: Mainland China
• Style: In-ear
• Support APP: Yes
• Support Memory Card: Yes
• Vocalism Principle: Dynamic
• Volume Control: Yes
• Waterproof: No
• With Microphone: Yes